Factors, Multiples, GCF, LCM

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number.

Tags

CCSS.4.OA.B.4

Front

What is a multiple?

Back

A multiple is the result of multiplying a number by an integer.

Front

What does GCF stand for?

Back

GCF stands for Greatest Common Factor, which is the largest factor that two or more numbers share.

Front

What does LCM stand for?

Back

LCM stands for Least Common Multiple, which is the smallest multiple that two or more numbers share.

Front

How do you find the GCF of two numbers?

Back

You can find the GCF by listing the factors of each number and identifying the largest one they have in common.

Front

What is the ladder method for finding GCF?

Back

The ladder method involves dividing the numbers by their common prime factors until you cannot divide anymore, then multiplying the common factors.

Front

How do you use the distributive property with GCF?

Back

You can factor out the GCF from a sum of numbers to rewrite it as a product.

Tags

CCSS.6.NS.B.4

Front

What is the GCF of 24 and 30?

Back

The GCF of 24 and 30 is 6.

Front

What is the LCM of 15 and 20?

Back

The LCM of 15 and 20 is 60.

Front

How can you check if a number is a multiple of another?

Back

You can check if a number is a multiple by dividing it by the other number and seeing if the remainder is zero.

Tags

CCSS.3.OA.D.9